Home / 142,582,286.19-196,758,463.95-80,701,296.15

Finding the Fourth Proportional to 142,582,286.19, 196,758,463.95 and 80,701,296.15

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Solution

The fourth proportional to 142,582,286.19, 196,758,463.95 and 80,701,296.15 is: 111,364,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,582,286.19 : 196,758,463.95 = 80,701,296.15 : x
  2. Step 2: Convert to fraction form
    142,582,286.19/196,758,463.95 = 80,701,296.15/x
  3. Step 3: Cross multiply
    142,582,286.19x = 196,758,463.95 × 80,701,296.15
  4. Step 4: Simplify right side
    142,582,286.19x = 15,878,663,069,248,050
  5. Step 5: Solve for x
    x = 15,878,663,069,248,050/142,582,286.19
  6. Step 6: Final answer
    x = 111,364,907.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.